Illinois vs Wisconsin: Security Deposit Law Comparison

See how Illinois and Wisconsin compare on deadlines, penalties, and tenant protections - so you know exactly where you stand.

Deadline

45dvs21d

Penalty

3x depositvs2x deposit

WNT Protection

YesvsYes

Small Claims

$10,000vs$10,000

Side-by-Side Comparison

Green badges highlight the rule that's better for tenants in each category.

Return Deadline
Illinois45 days
Wisconsin21 daysBetter
Deadline Trigger
IllinoisAfter move-out
WisconsinAfter move-out
Penalty
Illinois3x depositBetter
Wisconsin2x deposit
Penalty Condition
Illinoisfailure or bad faith statement
WisconsinAutomaticBetter
Itemization Deadline
Illinois30d
Wisconsin21dBetter
WNT Protection
IllinoisYes
WisconsinYes
Small Claims
Illinois$10,000
Wisconsin$10,000
SoL
Illinois2 yrs
Wisconsin6 yrsBetter

State Summaries

Illinois

765 ILCS 710/1

  • Return deadline: 45 days after move-out
  • Penalty: Potentially up to 3x your deposit (failure or bad faith statement violation)
  • Wear & tear: Prohibited - landlord cannot deduct normal wear
  • Small claims: Sue for up to $10,000 without an attorney

Wisconsin

Wis. Stat. §704.28

  • Return deadline: 21 days after move-out
  • Penalty: Up to 2x your deposit (automatic violation)
  • Wear & tear: Prohibited - landlord cannot deduct normal wear
  • Small claims: Sue for up to $10,000 without an attorney

Frequently Asked Questions

Which state has stronger tenant protections - Illinois or Wisconsin?

Wisconsin generally offers stronger tenant protections across deadline, penalty, and procedural categories. However, both states have meaningful protections and outcomes depend on your specific situation.

What is the security deposit return deadline in Illinois vs Wisconsin?

In Illinois, landlords must return your security deposit within 45 days after move-out. In Wisconsin, the deadline is 21 days after move-out. Missing these deadlines can trigger penalties for the landlord.

What penalty can a landlord face for keeping a deposit in Illinois vs Wisconsin?

Illinois: Potentially up to 3x your deposit (failure or bad faith statement violation). Wisconsin: Up to 2x your deposit (automatic violation). Always document your move-out carefully to support a claim.

Do Illinois and Wisconsin protect against normal wear-and-tear deductions?

Yes - both Illinois and Wisconsin prohibit landlords from deducting normal wear and tear from your security deposit. Only actual damage beyond normal use can be deducted.

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